/Engine/Plugins/Animation/IKRig/Source/IKRigEditor/Public/RigEditor/IKRigAnimInstance.h
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Transient, NotBlueprintable) class UIKRigAnimInstance : public [UAnimPreviewInstance](API\Editor\AnimGraph\UAnimPreviewInstance)
FAnimNode_IKRig
IKRigNode